207620820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 240

約数和(自身を含む): 725953536

約数和(自身を除く): 518332716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 61, 66, 81, 90, 99, 108, 110, 122, 132, 135, 162, 165, 180, 183, 191, 198, 220, 244, 270, 297, 305, 324, 330, 366, 382, 396, 405, 495, 540, 549, 573, 594, 610, 660, 671, 732, 764, 810, 891, 915, 955, 990, 1098, 1146, 1188, 1220, 1342, 1485, 1620, 1647, 1719, 1782, 1830, 1910, 1980, 2013, 2101, 2196, 2292, 2684, 2745, 2865, 2970, 3294, 3355, 3438, 3564, 3660, 3820, 4026, 4202, 4455, 4941, 5157, 5490, 5730, 5940, 6039, 6303, 6588, 6710, 6876, 8052, 8235, 8404, 8595, 8910, 9882, 10065, 10314, 10505, 10980, 11460, 11651, 12078, 12606, 13420, 15471, 16470, 17190, 17820, 18117, 18909, 19764, 20130, 20628, 21010, 23302, 24156, 24705, 25212, 25785, 30195, 30942, 31515, 32940, 34380, 34953, 36234, 37818, 40260, 42020, 46604, 49410, 51570, 54351, 56727, 58255, 60390, 61884, 63030, 69906, 72468, 75636, 77355, 90585, 94545, 98820, 103140, 104859, 108702, 113454, 116510, 120780, 126060, 128161, 139812, 154710, 170181, 174765, 181170, 189090, 209718, 217404, 226908, 233020, 256322, 271755, 283635, 309420, 314577, 340362, 349530, 362340, 378180, 384483, 419436, 512644, 524295, 543510, 567270, 629154, 640805, 680724, 699060, 768966, 850905, 943731, 1048590, 1087020, 1134540, 1153449, 1258308, 1281610, 1537932, 1572885, 1701810, 1887462, 1922415, 2097180, 2306898, 2563220, 3145770, 3403620, 3460347, 3774924, 3844830, 4613796, 4718655, 5767245, 6291540, 6920694, 7689660, 9437310, 10381041, 11534490, 13841388, 17301735, 18874620, 20762082, 23068980, 34603470, 41524164, 51905205, 69206940, 103810410, 207620820]

約数ペア:

[(1, 207620820), (2, 103810410), (3, 69206940), (4, 51905205), (5, 41524164), (6, 34603470), (9, 23068980), (10, 20762082), (11, 18874620), (12, 17301735), (15, 13841388), (18, 11534490), (20, 10381041), (22, 9437310), (27, 7689660), (30, 6920694), (33, 6291540), (36, 5767245), (44, 4718655), (45, 4613796), (54, 3844830), (55, 3774924), (60, 3460347), (61, 3403620), (66, 3145770), (81, 2563220), (90, 2306898), (99, 2097180), (108, 1922415), (110, 1887462), (122, 1701810), (132, 1572885), (135, 1537932), (162, 1281610), (165, 1258308), (180, 1153449), (183, 1134540), (191, 1087020), (198, 1048590), (220, 943731), (244, 850905), (270, 768966), (297, 699060), (305, 680724), (324, 640805), (330, 629154), (366, 567270), (382, 543510), (396, 524295), (405, 512644), (495, 419436), (540, 384483), (549, 378180), (573, 362340), (594, 349530), (610, 340362), (660, 314577), (671, 309420), (732, 283635), (764, 271755), (810, 256322), (891, 233020), (915, 226908), (955, 217404), (990, 209718), (1098, 189090), (1146, 181170), (1188, 174765), (1220, 170181), (1342, 154710), (1485, 139812), (1620, 128161), (1647, 126060), (1719, 120780), (1782, 116510), (1830, 113454), (1910, 108702), (1980, 104859), (2013, 103140), (2101, 98820), (2196, 94545), (2292, 90585), (2684, 77355), (2745, 75636), (2865, 72468), (2970, 69906), (3294, 63030), (3355, 61884), (3438, 60390), (3564, 58255), (3660, 56727), (3820, 54351), (4026, 51570), (4202, 49410), (4455, 46604), (4941, 42020), (5157, 40260), (5490, 37818), (5730, 36234), (5940, 34953), (6039, 34380), (6303, 32940), (6588, 31515), (6710, 30942), (6876, 30195), (8052, 25785), (8235, 25212), (8404, 24705), (8595, 24156), (8910, 23302), (9882, 21010), (10065, 20628), (10314, 20130), (10505, 19764), (10980, 18909), (11460, 18117), (11651, 17820), (12078, 17190), (12606, 16470), (13420, 15471)]